How many grams of oxygen are needed to react with excess methane in the following reaction, in order to produce 325 kJ of energy? CH4 + 2 O2 CO2 + H2O ΔH = -890.4 kJ

What is the lowest number energy level where a d sublevel is found

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.

How many formula units in 2.63 mols of nacl?